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A rather complex calculator script featuring such operations like adding and dividing fractions. It has all the basic functions of a calculator like adding, subtracting, dividing, and multiplication. It can find values for TAN, COS, SIN, Square Root, Powers, and more.

This script is written for calculation of historically correct string diameters on early baroque violins, violas, cellos or any other instruments tuned in 5th, which use gut and historical wound gut strings.

This script can calculate very accurately the needed DivX 3.x and 5.x Bitrate to encode Avi video with predefined size, for instance 700 MB. It also predicts what will be the resulting quality of the video, so that you can raise/lower the bitrate or the resulting size to achieve the the best quality/size ratio.

This is a good calculator script that takes user input and can perform 23 functions including Add, Subtract, Multiply, Divide, take the Sin, covert to Hex, square root, and more. It is easily customizable with a little knowledge of PHP and HTML.

This is a code snippet that converts measurements such as degrees Celsius and Fahrenheit; centimeters and inches; meters and feet; kilometers and miles; kilograms and pounds; milliliters to ounces; and for fun, regular beers and tall beers. This was created for the expatriate American. It distinguishes singular and plural in the first value (for example, it will say 1 ounce, 2 ounces, and so on). Reloads if no values are given. It ignores extra spaces in the input, so -1 and - 1 (see the space) are the same. There's also a 'quick & dirty' check to make sure the first value given is not a letter, returns with a warning.